(4) Implementing a system for all employers to verify electronically their workers' legal status.

(5) Setting up a new electronic system to track people leaving the nation's airports and seaports.

-The border security improvements are designed to achieve 100 percent surveillance of the border with Mexico and ensure that 90 percent of would-be crossers are caught or turned back.

-If the goals of a 90 percent effectiveness rate and continuous surveillance on the border are not met within five years, a Southern Border Security Commission made up of border-state governors and others would determine how to achieve them.

-Border security spending in the bill totals around $46 billion.

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PATH TO CITIZENSHIP

-The estimated 11 million people living in the U.S. illegally could obtain "registered provisional immigrant status" six months after enactment of the bill as long as:

(1) The Homeland Security Department has developed border security and fencing plans, per the specifications set out in the bill.

(2) They arrived in the U.S. prior to Dec. 31, 2011, and maintained continuous physical presence since then.

(3) They do not have a felony conviction or three or more misdemeanors.

(4) They pay a $500 fine.

-People in provisional legal status could work and travel in the U.S. but would not be eligible for most federal benefits, including health care and welfare.

-The provisional legal status lasts six years and is renewable for another six years for $500.

-People deported for noncriminal reasons can apply to re-enter in provisional status if they have a spouse or child who is a U.S. citizen or permanent resident, or if they had been brought to the U.S. as a child.

-After 10 years in provisional status, immigrants can seek a green card and lawful permanent resident status if they are current on their taxes and pay a $1,000 fine, have maintained continuous physical presence in the U.S., meet work requirements and learn English. Also the border triggers must have been met, and all people waiting to immigrate through the legal system as of the date of enactment of the legislation must have been dealt with.

-People brought to the country as youths would be able to get green cards in five years, and citizenship immediately thereafter.

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HIGH-SKILLED WORKERS

-The cap on the H-1B visa program for high-skilled workers would be immediately raised from 65,000 a year to 110,000 a year, with 25,000 more set aside for people with advanced degrees in science, technology, engineering or math from a U.S. school. The cap could go as high as 180,000 a year depending on demand.